<!doctype html>
<meta charset="utf-8">
<title>
  Async Clipboard write ([text/plain ClipboardItem]) ->
        read ([text/plain ClipboardItem]) tests
</title>
<link rel="help" href="https://w3c.github.io/clipboard-apis/#async-clipboard-api">
<body>Body needed for test_driver.click()</body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="../resources/user-activation.js"></script>
<script>
async function readWriteTest(textInput) {
  promise_test(async t => {
    await tryGrantReadPermission();
    await tryGrantWritePermission();

    const blobInput = new Blob([textInput], {type: 'text/plain'});
    const clipboardItemInput = new ClipboardItem({'text/plain': blobInput});

    await waitForUserActivation();
    await navigator.clipboard.write([clipboardItemInput]);
    await waitForUserActivation();
    const clipboardItems = await navigator.clipboard.read();
    assert_equals(clipboardItems.length, 1);
    const clipboardItemOutput = clipboardItems[0];
    assert_true(clipboardItemOutput instanceof ClipboardItem);
    assert_equals(clipboardItemOutput.types.length, 1);
    const blobOutput = await clipboardItemOutput.getType('text/plain');
    assert_equals(blobOutput.type, 'text/plain');

    const textOutput = await (new Response(blobOutput)).text();
    assert_equals(textOutput, textInput);
  }, 'Verify write and read clipboard given text: ' + textInput);
}

readWriteTest('Clipboard write ([text/plain ClipboardItem]) -> read ([text/plain ClipboardItem]) test');
readWriteTest('non-Latin1 text encoding test データ');
</script>
